Structural evolution of Pt-based oxygen reduction reaction electrocatalysts

被引：37
作者：
Peng, Jiaheng [1 ]
Tao, Peng [1 ]
Song, Chengyi [1 ]
Shang, Wen [1 ]
Deng, Tao [1 ,2 ]
Wu, Jianbo [1 ,2 ,3 ,4 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, Ctr Hydrogen Sci, Shanghai 200240, Peoples R China
[3] Shanghai Jiao Tong Univ, Mat Genome Initiat Ctr, Shanghai 200240, Peoples R China
[4] Shanghai Jiao Tong Univ, Zhangjiang Inst Adv Study, Future Mat Innovat Ctr, Shanghai 200240, Peoples R China
来源：
CHINESE JOURNAL OF CATALYSIS | 2022年 / 43卷 / 01期
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
Oxygen reduction reaction; Structural evolution; Pt-based electrocatalyst; Durability; In situ electron microscopy; characterizations; MEMBRANE FUEL-CELLS; X-RAY-ABSORPTION; NI OCTAHEDRAL NANOPARTICLES; IN-SITU; ALLOY NANOPARTICLES; PARTICLE-SIZE; ATOMIC-SCALE; INTERMETALLIC COMPOUNDS; SURFACE SEGREGATION; PHASE SEGREGATION;
D O I：
10.1016/S1872-2067(21)63896-2
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The commercialization of proton exchange membrane fuel cells (PEMFCs) could provide a cleaner energy society in the near future. However, the sluggish reaction kinetics and harsh conditions of the oxygen reduction reaction affect the durability and cost of PEMFCs. Most previous reports on Pt-based electrocatalyst designs have focused more on improving their activity; however, with the commercialization of PEMFCs, durability has received increasing attention. In-depth insight into the structural evolution of Pt-based electrocatalysts throughout their lifecycle can contribute to further optimization of their activity and durability. The development of in situ electron microscopy and other in situ techniques has promoted the elucidation of the evolution mechanism. This mini review highlights recent advances in the structural evolution of Pt-based electrocatalysts. The mechanisms are adequately discussed, and some methods to inhibit or exploit the structural evolution of the catalysts are also briefly reviewed. (c) 2022, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：47 / 58
页数：12
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